What am I?

Swifter than the fastest horse, through four rooms I run my course. I appear crimson in the light, but blue is what I am at night. What am I?

I enclose you in darkness but allow you to see many things. If you resist me, you're likely to get rings. What am I?

I'm so fast you can't see me, though everyone else can see straight through me. I don't stop until the day you die. What am I?

I can’t go right, I can’t go left. I’m forever stuck going only up and down. What am I?

Riddles and Answers